Probably mainly a lot of damage is done during the live in situation that comes back to bite them. We know from the Bible that it is contrary to God's design for the family and since He is perfect there is bound to be damage. The couple's who decide to have trial live togethers are doing it for all the wrong reasons with no knowledge appreciation or respect for the institute marriage..
I am looking forward to your thoughts.
Agreed.
But there's so much more....
What about the idea that by the time they get married all the excitement is gone out of the relationship...thus not making marriage something to look forward to for all the right reasons. Sharing everything, for one: Problems, shopping, making big decisions, creating a home, doctor's visits, etc. Not to mention sleeping together in the same bed every night! Cuddle, cuddle.
How about the idea that, as you touched on, persons that are willing to live together have a lower standard for both morality and marriage. Marriage apparently means very little to them if they can "play house" before getting married.
And the last reason I can think of is that a trial period doesn't WORK. Are they able to do a trial run on EVERYTHING that can happen in life? No. I don't think so. Who knows what life will bring...happiness, pain.
It seems there's some misunderstanding as to what forever means...It means going through life together, no matter what.
This is a commitment more than anything else.
When it's understood as a commitment, more effort will be made to keep the marriage happy for both parties, knowing that "forever" is a long time.
This cannot happen in a trial situation.
There must be other reasons, I like your explanation of how it's of God. Maybe society doesn't know God anymore....